Process doesn't finishing after any query

[qfox]

Versions

$ grep version ./node_modules/jugglingdb-postgres/package.json
  "version": "0.0.6",
$ grep version ./node_modules/jugglingdb/package.json
  "version": "0.2.14",

Test file

// test
var jdb = require('jugglingdb');

// db
var pg = new jdb.Schema(require('jugglingdb-postgres'), {database: 'test', username: 'test', host: 'localhost'});
pg.log = console.log.bind(console);

// models
var Topic = pg.define('Topic', { title: String });

// sync
pg.automigrate();